package com.iyunsir.lesson03;

import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class TestWindow {
    public static void main(String[] args) {
        new WindowFrame();
    }


}

class  WindowFrame extends Frame{
    public WindowFrame(){
        setBackground(Color.blue);
        setBounds(100,100,200,200);
        setVisible(true);
        //addWindowListener(new MyWindowListener());

        this.addWindowListener(
                //匿名内部类
                new WindowAdapter() {
                    // 关闭窗口
                    @Override
                    public void windowClosing(WindowEvent e) {
                        System.out.println("windowClosing");
                        System.exit(0);
                    }



                    //激活博客
                    @Override
                    public void windowActivated(WindowEvent e) {
                        // Object source = e.getSource();
                        WindowFrame source = (WindowFrame) e.getSource();
                        source.setTitle("被激活了");
                        System.out.println("windowActivated");
                    }




                }

        );
    }
}